Mineralization of Hazardous Waste Landfill Leachate using Photo-Fenton Process Pradeep Kumar Singa, Mohamed Hasnain Isa, Yeek-Chia Ho and Jun-Wei Lim E3S Web Conf., 65 (2018) 05012 Published online: 26 November 2018 DOI: 10.1051/e3sconf/20186505012